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https://github.com/libretro/scummvm.git
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107 lines
2.7 KiB
C++
107 lines
2.7 KiB
C++
/* ScummVM - Scumm Interpreter
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* Copyright (C) 2001-2005 The ScummVM project
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*
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* This program is free software; you can redistribute it and/or
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* modify it under the terms of the GNU General Public License
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* as published by the Free Software Foundation; either version 2
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* of the License, or (at your option) any later version.
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*
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* This program is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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* GNU General Public License for more details.
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*
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* You should have received a copy of the GNU General Public License
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* along with this program; if not, write to the Free Software
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* Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA.
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*
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* $Header$
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*/
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#ifndef BUNDLE_MGR_H
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#define BUNDLE_MGR_H
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#include "common/scummsys.h"
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#include "common/file.h"
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namespace Scumm {
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class BundleDirCache {
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public:
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struct AudioTable {
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char filename[24];
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int32 offset;
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int32 size;
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};
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private:
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struct FileDirCache {
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char fileName[20];
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AudioTable *bundleTable;
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int32 numFiles;
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bool compressedBun;
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} _budleDirCache[4];
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public:
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BundleDirCache();
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~BundleDirCache();
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int matchFile(const char *filename);
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AudioTable *getTable(const char *filename, int slot);
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int32 getNumFiles(const char *filename, int slot);
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bool isCompressed(int slot);
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};
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class BundleMgr {
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private:
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struct CompTable {
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int32 offset;
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int32 size;
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int32 codec;
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};
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BundleDirCache *_cache;
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BundleDirCache::AudioTable *_bundleTable;
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CompTable *_compTable;
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int _numFiles;
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int _numCompItems;
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int _curSample;
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File _file;
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bool _compTableLoaded;
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int _fileBundleId;
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byte _compOutput[0x2000];
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byte *_compInput;
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int _outputSize;
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int _lastBlock;
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bool loadCompTable(int32 index);
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public:
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BundleMgr(BundleDirCache *_cache);
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~BundleMgr();
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bool open(const char *filename, bool &compressed);
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void close();
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File *getFile(const char *filename, int32 &offset, int32 &size);
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int32 decompressSampleByName(const char *name, int32 offset, int32 size, byte **comp_final, bool header_outside);
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int32 decompressSampleByIndex(int32 index, int32 offset, int32 size, byte **comp_final, int header_size, bool header_outside);
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int32 decompressSampleByCurIndex(int32 offset, int32 size, byte **comp_final, int header_size, bool header_outside);
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};
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namespace BundleCodecs {
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uint32 decode12BitsSample(const byte *src, byte **dst, uint32 size);
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void initializeImcTables();
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#ifdef __PALM_OS__
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void releaseImcTables();
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#endif
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int32 decompressCodec(int32 codec, byte *comp_input, byte *comp_output, int32 input_size);
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} // End of namespace BundleCodecs
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} // End of namespace Scumm
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#endif
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